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Friday, 9 October

JEE Main 2021 · ChemistryMultiple choiceMatch the listMediumRecall

JEE Main 16 March 2021, Shift 2, Chemistry Q41

Question 41 of 90 in this shift, Chemistry question 11 of 30, Section A.

Match List-I with List-II : List-I (Test/Reagents/Observation(s)) (a) Lassaigne's Test (b) Cu(II) oxide (c) Silver nitrate (d) The sodium fusion extract gives black precipitate with acetic acid and lead acetate List-II (Species detected) (i) Carbon (ii) Sulphur (iii) N, S, P, and halogen (iv) Halogen Specifically The correct match is :
  1. (1)(a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
  2. (2)(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)Official answer
  3. (3)(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
  4. (4)(a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)

Official answer

Option 2

NTA final key.

Chapter
Organic Chemistry: Some Basic Principles and Techniques
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.